d3d9: Use wined3d_bit_scan() instead of open-coding it.

Signed-off-by: Józef Kucia <jkucia@codeweavers.com> Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

d3d9: Use wined3d_bit_scan() instead of open-coding it.
39876236 · Józef Kucia · Alexandre Julliard · 5c3d4f39 · 39876236
Commit 39876236 authored Jan 25, 2019 by Józef Kucia Committed by Alexandre Julliard Jan 25, 2019
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device.c dlls/d3d9/device.c +3 -6

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--- a/dlls/d3d9/device.c
+++ b/dlls/d3d9/device.c
@@ -2732,8 +2732,7 @@ static void d3d9_device_upload_sysmem_vertex_buffers(struct d3d9_device *device,
    map = device->sysmem_vb;
    while (map)
    {
-        i = ffs(map) - 1;
+        i = wined3d_bit_scan(&map);
-        map ^= 1u << i;
        if (FAILED(hr = wined3d_device_get_stream_source(device->wined3d_device, i, &dst_buffer, &offset, &stride)))
            ERR("Failed to get stream source.\n");
@@ -3111,8 +3110,7 @@ static HRESULT WINAPI d3d9_device_ProcessVertices(IDirect3DDevice9Ex *iface,
    map = device->sysmem_vb;
    while (map)
    {
-        i = ffs(map) - 1;
+        i = wined3d_bit_scan(&map);
-        map ^= 1u << i;
        if (FAILED(wined3d_device_get_stream_source(device->wined3d_device,
                i, &wined3d_buffer, &offset, &stride)))
@@ -3130,8 +3128,7 @@ static HRESULT WINAPI d3d9_device_ProcessVertices(IDirect3DDevice9Ex *iface,
    map = device->sysmem_vb;
    while (map)
    {
-        i = ffs(map) - 1;
+        i = wined3d_bit_scan(&map);
-        map ^= 1u << i;
        if (FAILED(wined3d_device_get_stream_source(device->wined3d_device,
                i, &wined3d_buffer, &offset, &stride)))